Heighten cushion



FIG. 1 is a front view of the heighten cushion showing my new design;

FIG. 2 is a left elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front perspective view thereof;

FIG. 8 is a rear perspective view thereof; and,

FIG. 9 is a view of the heighten cushion in use.

The broken lines shown on the drawings are for the purpose of illustration and form no part of the claimed design. 

CLAIM The ornamental design for a heighten cushion, as shown and described. 